/home/junicode/Documents/LO53_Project/LO53_AP_Development/rssi_list.h

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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <arpa/inet.h>
#include <sys/time.h>

#define SAMPLE_DELAY 6  // This the maximum time of life of a captured sample

/*
 * Data definitions
 */

typedef struct _Rssi_sample
{
  double rssi_mW; 
  unsigned long deadline; 
  struct _Rssi_sample * next; 
} Rssi_sample;

typedef struct _Deque
{
  Rssi_sample * head; 
  Rssi_sample * tail; 
} Deque;

typedef struct _Element
{
  u_char * mac_addr; 
  Deque * measurements; 
  struct _Element *next; 
} Element;

/*
 * Functions signatures
 */

// General functions

// Rssi_sample functions
void clear_outdated_values(Deque * list);

void add_value(Deque * list, double value);

// Element functions

void clear_outdated_Elements(Element ** list);

Element * find_mac(Element * list, u_char * mac_value);

Element * add_element(Element ** list, u_char * mac_value);

// Other useful functions

void calculate_avg(Element ** list, u_char * mac_value, u_char * nb_samples, u_char * avg_value);


unsigned int mac_maching(u_char * mac1, u_char * mac2);

Element * find_deque(Element * list, Deque * deq);

void decrement_all_deadlines(Element * list);